284963680

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4057}}^1$

素因数の和:4511

約数の個数: 48

約数和(自身を含む): 674926560

約数和(自身を除く): 389962880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1756, 2195, 3512, 4057, 4390, 7024, 8114, 8780, 14048, 16228, 17560, 20285, 32456, 35120, 40570, 64912, 70240, 81140, 129824, 162280, 324560, 649120, 1781023, 3562046, 7124092, 8905115, 14248184, 17810230, 28496368, 35620460, 56992736, 71240920, 142481840, 284963680]

約数ペア:

[(1, 284963680), (2, 142481840), (4, 71240920), (5, 56992736), (8, 35620460), (10, 28496368), (16, 17810230), (20, 14248184), (32, 8905115), (40, 7124092), (80, 3562046), (160, 1781023), (439, 649120), (878, 324560), (1756, 162280), (2195, 129824), (3512, 81140), (4057, 70240), (4390, 64912), (7024, 40570), (8114, 35120), (8780, 32456), (14048, 20285), (16228, 17560)]